Finding the Fourth Proportional to 186,909.74, 257,935.37 and 102,026.81
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Solution
The fourth proportional to 186,909.74, 257,935.37 and 102,026.81 is: 140,796.95
Step by Step Solution
- Step 1: Write the proportion equation
186,909.74 : 257,935.37 = 102,026.81 : x - Step 2: Convert to fraction form
186,909.74/257,935.37 = 102,026.81/x - Step 3: Cross multiply
186,909.74x = 257,935.37 × 102,026.81 - Step 4: Simplify right side
186,909.74x = 26,316,321,187.46 - Step 5: Solve for x
x = 26,316,321,187.46/186,909.74 - Step 6: Final answer
x = 140,796.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.